Microscale multi-functional optical structure

Abstract

A microscale multi-functional optical structure is disclosed.Embodiments of the present disclosure provide a microscale multi-functional optical structure including: a substrate; a first layer formed on the substrate; a multi-functional optical function unit formed using a second layer formed on the first layer to provide various optical functions with the substrate and the first layer; and at least one optical coupling wire formed to include a wire end portion formed to come into close contact with a preset region on the second layer to transmit and receive an optical signal to and from an optical waveguide.

What is claimed is: 
     
         1 . A microscale multi-functional optical structure comprising:
 a substrate;   a first layer formed on the substrate;   a multi-functional optical function unit formed using a second layer formed on the first layer to provide various optical functions with the substrate and the first layer; and   at least one optical coupling wire formed to include a wire end portion formed to come into close contact with a preset region on the second layer to transmit and receive an optical signal to and from an optical waveguide.   
     
     
         2 . The microscale multi-functional optical structure of  claim 1 , wherein the multi-functional optical function unit is designed to have a preset shape to provide a function of the optical waveguide with the substrate and the first layer, and formed by including at least one optical signal input unit and at least one optical signal output unit. 
     
     
         3 . The microscale multi-functional optical structure of  claim 2 , wherein at least one of the at least one optical signal input unit and the at least one optical signal output unit includes a grating coupler, and the grating coupler is formed without interruption to come into close contact with the optical coupling wire and provides an optical path between the optical signal input unit and the optical signal output unit. 
     
     
         4 . The microscale multi-functional optical structure of  claim 3 , wherein the at least one optical coupling wire includes a first optical coupling wire and a second optical coupling wire, the first optical coupling wire is formed to come into close contact with a first optical port unit which is a preset region on the second layer, and the second optical coupling wire is formed to come into close contact with a second optical port unit which is a preset region on the second layer, and thus the at least one optical coupling wire is designed so that an optical signal input to the optical signal input unit is distributed and transmitted to each of the first optical coupling wire and the second optical coupling wire according to preset conditions. 
     
     
         5 . The microscale multi-functional optical structure of  claim 1 , wherein the at least one optical coupling wire includes a first optical coupling wire, a second optical coupling wire, a third optical coupling wire, and a fourth optical coupling wire, the first optical coupling wire, the second optical coupling wire, the third optical coupling wire, and the fourth optical coupling wire are formed to come into close contact with a first optical port unit, a second optical port unit, a third optical port unit, and a fourth optical port unit which are preset regions on the second layer, respectively, and thus the at least one optical coupling wire is designed so that an optical signal input to the optical signal input unit is distributed and transmitted to each the first optical coupling wire, the second optical coupling wire, the third optical coupling wire, and the fourth optical coupling wire according to preset conditions. 
     
     
         6 . An optical module comprising:
 a multi-functional optical structure including a substrate, a first layer formed on the substrate, a multi-functional optical function unit formed using a second layer formed on the first layer to provide various optical functions with the substrate and the first layer, and at least one optical coupling wire formed to include a wire end portion formed to come into close contact with a preset region on the second layer to transmit and receive an optical signal to and from an optical waveguide;   a photoelectric conversion element unit optically coupled to the multi-functional optical structure to convert the optical signal output from the multi-functional optical structure to an electrical signal;   an electrical signal amplification unit electrically connected to the photoelectric conversion element unit to change a waveform of the electrical signal received from the photoelectric conversion element unit; and   a controller electrically connected to at least one of the multi-functional optical structure, the photoelectric conversion element unit, and the electrical signal amplification unit to control a function of the at least one of the multi-functional optical structure, the photoelectric conversion element unit, and the electrical signal amplification unit.